“整群抽样”的概念、定义、翻译、参考文献-科学参考

单词	整群抽样
释义	整群抽样 Encyclopedia 农学抽样调查释 cluster sampling整群抽样在总体中按一定方式抽取初级单元，调查每个被抽中的初级单元中所包含的全部次级单元的方法。又称集团抽样。理学抽样调查释 cluster sampling整群抽样将总体划分为若干有联系的基本单元所组成的集合（群），然后以群为抽样单元，从总体中随机抽取一部分群，对入选群内的所有单元进行调查的一种抽样方法。又称一阶段整群抽样。 Mathematics ＞数理统计＞抽样与统计过程控制＞释义 cluster sampling整群抽样 cluster sampling整群抽样^† Chemistry ＞分析化学＞化学计量学＞释义 cluster sampling整群抽样
随便看	regulations on maritime trade regulations on medical service for impoverished patients Regulations on Medical Waste Management Regulations on Movable Type Printing Adopted at the Hall of Martial Valor regulations on national economic census Regulations on National General Survey of Pollution Sources Regulations on Newspapers and Periodicals regulations on payment of wages Regulations on Personnel Management of China's Public Institutions Regulations on Practicing Economy and Opposing Waste in Party and Government Organs Regulations on Preventing Collisions at Operation of Fishing Vessels Regulations on Prevention and Control of Forest Diseases and Pests Regulations on Prevention and Control of Livestock and Poultry Scale Aquaculture Pollution Regulations on Protection of Aquatic Resources Reproduction Regulations on Protection of Meteorological Facilities and Meteorological Observation Environment Regulations on Public Cultural and Sports Facilities Regulations on public cultural and sports facilities Regulations on Publishing Market Regulations on Railway Safety Management regulations on regulators Regulations on Restoring Farmland to Forest regulations on safety of genetically modified organisms in America regulations on safety of genetically modified organisms in Argentina regulations on safety of genetically modified organisms in Australia regulations on safety of genetically modified organisms in Brazil

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。